Home / 611,364.20-917,046.30-168,132.20

Finding the Fourth Proportional to 611,364.20, 917,046.30 and 168,132.20

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Solution

The fourth proportional to 611,364.20, 917,046.30 and 168,132.20 is: 252,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,364.20 : 917,046.30 = 168,132.20 : x
  2. Step 2: Convert to fraction form
    611,364.20/917,046.30 = 168,132.20/x
  3. Step 3: Cross multiply
    611,364.20x = 917,046.30 × 168,132.20
  4. Step 4: Simplify right side
    611,364.20x = 154,185,011,920.86
  5. Step 5: Solve for x
    x = 154,185,011,920.86/611,364.20
  6. Step 6: Final answer
    x = 252,198.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.